Finding the Fourth Proportional to 207,532.90, 311,299.44 and 160,217.07
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Solution
The fourth proportional to 207,532.90, 311,299.44 and 160,217.07 is: 240,325.67
Step by Step Solution
- Step 1: Write the proportion equation
207,532.90 : 311,299.44 = 160,217.07 : x - Step 2: Convert to fraction form
207,532.90/311,299.44 = 160,217.07/x - Step 3: Cross multiply
207,532.90x = 311,299.44 × 160,217.07 - Step 4: Simplify right side
207,532.90x = 49,875,484,152.31 - Step 5: Solve for x
x = 49,875,484,152.31/207,532.90 - Step 6: Final answer
x = 240,325.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.